Revision

What is the graphical method mainly used for in truss analysis?

•                                

  Painting the structure

• Measuring temperature

• Finding member forces    

• Checking colours of materials

What tool is most used to draw accurate lines in the graphical method?

• Hammer   

• Ruler

• Calculator

• Brush

What does a bending moment diagram show?

• The weight of the beam

• The temperature at each point

• The bending effect along the beam

• The height of the beam

What kind of line represents a constant shear force in a shear force diagram?

• A curved line 

• A sloped line

• A straight horizontal line

• A zig-zag line

What is stress in a material?

• A colour change in a material  

• Force applied per unit area

• Weight of the object 

• Speed of the object

Which of the following is true about strain?

• It has a unit of Newton

• It has no unit (dimensionless)

• It is measured in kilogram 

• It is measured in joules

What happens when a material is stretched within its elastic limit?

• It breaks

• It gets permanently deformed

• It returns to its original shape   

• It changes color

A simply supported beam is supported at:

• One end only  

• Both ends

• Only in the middle 

• At three points

What type of loading causes a triangular shear force diagram in a simply supported beam?

• Point load    

• Uniformly distributed load

• No load

• Moment load

What is the bending moment at the supports of a simply supported beam?

• Maximum 

• Minimum

• Zero

• Infinite